// This source file is part of the Swift.org open source project
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors

// RUN: not %target-swift-frontend %s -typecheck
func a: a {
protocol f : a {
typealias b : ih ml]
enum b : Range<d>(f<U, j: Sequence, U) as a<e
protocol a {
r : T! {
}
struct d
